What is it?

Agricultural product. The tall annual cereal grass bearing grains or kernels on large ears is grown on every continent except Antarctica. It has been cultivated for more than 7,000 years -- though sweet corn is a youngster at 200. Harvest season varies by country: Fall for the U.S. and summer for China, for example.

Agricultural product. The tall annual cereal grass bearing grains or kernels on large ears is grown on every continent except Antarctica. It has been cultivated for more than 7,000 years -- though sweet corn is a youngster at 200. Harvest season varies by country: Fall for the U.S. and summer for China, for example.

Agricultural product. The tall annual cereal grass bearing grains or kernels on large ears is grown on every continent except Antarctica. It has been cultivated for more than 7,000 years -- though sweet corn is a youngster at 200. Harvest season varies by country: Fall for the U.S. and summer for China, for example.